Description

2,3-Diphenylmaleic Anhydride is a versatile organic compound belonging to the class of maleic anhydride derivatives, characterized by its two phenyl substituents. This structure makes it a valuable intermediate and building block in advanced organic synthesis, particularly for creating complex molecules with specific electronic or steric properties. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require high-purity functional intermediates for developing new active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds requiring rigid, conjugated frameworks.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators where the diphenylmaleic structure imparts specific biological activity.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the production of specialty polymers, including polyimides and epoxy resins, enhancing thermal stability and mechanical properties.
• Organic Light-Emitting Diodes (OLEDs): Investigated as a core component or intermediate for electron-transport materials and emitters in OLED devices due to its conjugated system.
• Dye & Pigment Intermediate: Utilized in the synthesis of organic dyes and pigments, where it contributes to color fastness and specific chromophoric properties.
• Research & Development: A crucial reagent in academic and industrial R&D for Diels-Alder reactions and the construction of complex polycyclic aromatic systems.

Basic Information

Product Name	2,3-Diphenylmaleic Anhydride
CAS No.	4808-48-4
Molecular Formula	C16H10O3
Molecular Weight	250.25 g/mol
Synonyms	2,3-Diphenylmaleic Anhydride; Diphenylmaleic Anhydride; 2,3-Diphenyl-2-butenedioic Anhydride; 2,3-Diphenylmaleic Acid Anhydride; 2,3-Diphenyl-2H-furan-2,5-dione; 2,3-Diphenylfuran-2,5-dione; 2,3-Diphenylmaleic Anhydride (DPMA); 2,3-Diphenylmaleic Anhydride, 98%
EINECS	225-375-5

Quality Control

Our 2,3-Diphenylmaleic Anhydride is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. For customers with specific regulatory needs, we can support documentation requirements and discuss custom purity grades.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed after opening to prevent degradation by atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.